1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
In humans, at the end of the first meiotic division, the male germ cells differentiate into the:
A
secondary spermatocytes
B
spermatogonia
C
primary spermatocytes
D
spermatids
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Which one of the following pairs of items correctly belongs to the category of organs mentioned against it?
A
Nephridia of earthworm and Malpighian tubules of cockroach - excretory organs
B
wings of honey bee and wings of crow homologous organs
C
Thorn of Bougainvillea and tendrils of Cucurbita - analogous organs
D
Nictitating membrane and blind spot in human eye - vestigial organs
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Bacterial leaf blight of rice is caused by a species
A
Alternaria
B
Erwinia
C
Xanthomonas
D
Pseudomonas.
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Thermococcus, Methanococcus and Methanobacterium exemplify
A
backteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria
B
bacteria that contain a cytoskeleton and ribosomes
C
archaebacteria that contain protein homologous to eukaryotic core histones
D
archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled.
EXAM MAP